Home / 815,341.86-1,125,089.64-476,006.94

Finding the Fourth Proportional to 815,341.86, 1,125,089.64 and 476,006.94

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Solution

The fourth proportional to 815,341.86, 1,125,089.64 and 476,006.94 is: 656,841.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,341.86 : 1,125,089.64 = 476,006.94 : x
  2. Step 2: Convert to fraction form
    815,341.86/1,125,089.64 = 476,006.94/x
  3. Step 3: Cross multiply
    815,341.86x = 1,125,089.64 × 476,006.94
  4. Step 4: Simplify right side
    815,341.86x = 535,550,476,762.10
  5. Step 5: Solve for x
    x = 535,550,476,762.10/815,341.86
  6. Step 6: Final answer
    x = 656,841.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.